Mr. William J. Wang joined Liu-shen in 1994. He qualified as a patent attorney in 1996 and specializes in patent protection. He has extensive experience in a variety of areas, including mechanical engineering, automobiles, engines, elevators, rolling mill machinery and etc.

Mr. William J. Wang provides legal services in patent application/inquiry, patent re-examination and invalidation, patent infringement analyses, patent administrative and legal proceedings, and other matters related to intellectual property rights.

Mr. Wang had a master's degree from Zhejiang University in 1988. Before joining this firm, Mr. Wang worked for Beijing Light Automobile Co., Ltd. as an engineer of R&D department for six years. He received professional training at the law firm of Sughrue, Mion, Zinn, Macpeak & Sea in the United States in 1997. 

Representative cases that Mr. Wang has led or participated include

-     Dongmao v. DiaSys Corporation, in the patent invalidation case of Dongmao v. DiaSys Corporation, Mr. Wang represented DiaSys Corporation and finally won the case in the second instance at Beijing High Court;

-     Jiangmen Jianwei v. PDD limited, in the patent invalidation case of Jiangmen Jianwei v. PDD limited, Mr. Wang and his colleagues represented PDD limited and finally won the case in the second instance at Beijing High Court. 

All-China Patent Agents Association (ACPAA)

Beijing Patent Attorneys Association

Capital Intellectual Property Services Association

Association Internationale pour la Protection de la Propriété Intellectuelle (AIPPI)